def test_interpolation(self):
cell = geocell.compute(geotypes.Point(37, -122), 14)
sw_adjacent = geocell.adjacent(cell, (-1, -1))
sw_adjacent2 = geocell.adjacent(sw_adjacent, (-1, -1))
# interpolate between a cell and south-west adjacent, should return
# 4 total cells
self.assertEquals(4, len(geocell.interpolate(cell, sw_adjacent)))
self.assertEquals(4, geocell.interpolation_count(cell, sw_adjacent))
# interpolate between a cell and the cell SW-adjacent twice over,
# should return 9 total cells
self.assertEquals(9, len(geocell.interpolate(cell, sw_adjacent2)))
self.assertEquals(9, geocell.interpolation_count(cell, sw_adjacent2))
def test_interpolation(self):
cell = geocell.compute(geotypes.Point(37, -122), 14)
sw_adjacent = geocell.adjacent(cell, (-1, -1))
sw_adjacent2 = geocell.adjacent(sw_adjacent, (-1, -1))
# interpolate between a cell and south-west adjacent, should return
# 4 total cells
self.assertEquals(4, len(geocell.interpolate(cell, sw_adjacent)))
self.assertEquals(4, geocell.interpolation_count(cell, sw_adjacent))
# interpolate between a cell and the cell SW-adjacent twice over,
# should return 9 total cells
self.assertEquals(9, len(geocell.interpolate(cell, sw_adjacent2)))
self.assertEquals(9, geocell.interpolation_count(cell, sw_adjacent2))
def test_adjacent(self):
cell = geocell.compute(geotypes.Point(37, -122), 14)
box = geocell.compute_box(cell)
# adjacency tests using bounding boxes
self.assertEquals(box.north,
geocell.compute_box(geocell.adjacent(cell, (0, 1))).south)
self.assertEquals(box.south,
geocell.compute_box(geocell.adjacent(cell, (0, -1))).north)
self.assertEquals(box.east,
geocell.compute_box(geocell.adjacent(cell, (1, 0))).west)
self.assertEquals(box.west,
geocell.compute_box(geocell.adjacent(cell, (-1, 0))).east)
self.assertEquals(8, len(geocell.all_adjacents(cell)))
# also test collinearity
self.assertTrue(
geocell.collinear(cell, geocell.adjacent(cell, (0, 1)), True))
self.assertFalse(
geocell.collinear(cell, geocell.adjacent(cell, (0, 1)), False))
self.assertTrue(
geocell.collinear(cell, geocell.adjacent(cell, (1, 0)), False))
self.assertFalse(
geocell.collinear(cell, geocell.adjacent(cell, (1, 0)), True))
def test_adjacent(self):
cell = geocell.compute(geotypes.Point(37, -122), 14)
box = geocell.compute_box(cell)
# adjacency tests using bounding boxes
self.assertEquals(box.north,
geocell.compute_box(geocell.adjacent(cell, (0, 1))).south)
self.assertEquals(box.south,
geocell.compute_box(geocell.adjacent(cell, (0, -1))).north)
self.assertEquals(box.east,
geocell.compute_box(geocell.adjacent(cell, (1, 0))).west)
self.assertEquals(box.west,
geocell.compute_box(geocell.adjacent(cell, (-1, 0))).east)
self.assertEquals(8, len(geocell.all_adjacents(cell)))
# also test collinearity
self.assertTrue(
geocell.collinear(cell, geocell.adjacent(cell, (0, 1)), True))
self.assertFalse(
geocell.collinear(cell, geocell.adjacent(cell, (0, 1)), False))
self.assertTrue(
geocell.collinear(cell, geocell.adjacent(cell, (1, 0)), False))
self.assertFalse(
geocell.collinear(cell, geocell.adjacent(cell, (1, 0)), True))